package com.blb.bookms.controller;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.lang.reflect.Method;

public class BaseServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String m = req.getParameter("m");
        if(m == null){
            throw new RuntimeException("没有提供方法名参数");
        }
        Class<? extends BaseServlet> aClass = this.getClass();
        Method method = null;
        try {
            method = aClass.getMethod(m, HttpServletRequest.class, HttpServletResponse.class);
            method.invoke(this,req,resp);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req,resp);
    }
}
